The book "No1441 Metallurgy of iron and iron: a problem solver" by Yusfin, Y. C. is a unique and indispensable resource for students, graduate students and specialists in the field of metallurgy. This task book is not just a manual, but a whole laboratory of ideas and solutions that will help the reader to better understand the complex processes associated with the production of iron and iron. The book contains tasks covering all key aspects of metallurgy, from theoretical foundations to practical applications. Yusfin, Y. C. offers readers not only problem solving, but also methodological recommendations that will help develop analytical thinking and problem solving skills. Each task is accompanied by detailed comments and explanations, which makes the material available even to those who are just starting their way in this complex but fascinating area. This book will be of interest to students of technical universities studying in specialties related to metallurgy, materials science and engineering. It is also suitable for practicing engineers and professionals working in the metallurgical industry who want to update their knowledge or prepare for certification exams. If you are looking for a tutorial that will help you not only to prepare for exams, but also to deepen your knowledge in the field of metallurgy, then this tasker will be an excellent choice. The topics raised in the book cover a wide range of issues: from the thermodynamics of melting and crystallization processes to modern technologies for the processing and use of metals. Yousfin emphasizes the importance of understanding the physical and chemical processes that occur in metallurgy, which allows the reader not only to solve problems, but also to take a meaningful approach to their solution. The book also touches on issues of ecology and sustainable development, which makes it relevant in the face of modern challenges. The author's style is distinguished by clarity and accessibility of presentation, which makes it easy to assimilate even the most complex topics. Yusfin, Y. C. — a recognized expert in his field, and his work has already become a classic among textbooks on metallurgy. If you are familiar with his other works, such as Metallurgy of Ferrous Metals or Fundamentals of Materials Science, then you will be pleased to see how his experience and knowledge are embodied in this puzzle book. The book "No. 1441 Metallurgy of cast iron and iron: a tasker" is not just a collection of tasks, but a whole world in which the reader plunges into, striving to understand how metals work and what processes are behind their production. It will become your reliable assistant in study and work, as well as a source of inspiration for further study of metallurgy. If you are looking for a quality tutorial that will help you understand the intricacies of metallurgy, or want to find interesting tasks to practice, this tasker is your ideal choice. Do not miss the opportunity to expand your knowledge and skills in one of the most important and sought-after areas of engineering!